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Clarify the usage-of-qualified-ty error message.

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I found this message confusing when I encountered it. This commit makes
it clearer that you have to import the unqualified type yourself.
This commit is contained in:
Nicholas Nethercote 2022-01-27 11:10:37 +11:00
parent 84322efad5
commit 696d5034b2
2 changed files with 3 additions and 3 deletions
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2
compiler/rustc_lint/src/internal.rs
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@ -108,7 +108,7 @@ fn check_ty(&mut self, cx: &LateContext<'_>, ty: &'tcx Ty<'tcx>) {
lint.build(&format!("usage of qualified `ty::{}`", t))
.span_suggestion(
path.span,
"try using it unqualified",
"try importing it and using it unqualified",
t,
// The import probably needs to be changed
Applicability::MaybeIncorrect,

4
src/test/ui-fulldeps/internal-lints/qualified_ty_ty_ctxt.stderr
View File

@ -2,7 +2,7 @@ error: usage of qualified `ty::Ty<'_>`
--> $DIR/qualified_ty_ty_ctxt.rs:25:11
|
LL | ty_q: ty::Ty<'_>,
| ^^^^^^^^^^ help: try using it unqualified: `Ty<'_>`
| ^^^^^^^^^^ help: try importing it and using it unqualified: `Ty<'_>`
|
note: the lint level is defined here
--> $DIR/qualified_ty_ty_ctxt.rs:4:9
@ -14,7 +14,7 @@ error: usage of qualified `ty::TyCtxt<'_>`
--> $DIR/qualified_ty_ty_ctxt.rs:27:16
|
LL | ty_ctxt_q: ty::TyCtxt<'_>,
| ^^^^^^^^^^^^^^ help: try using it unqualified: `TyCtxt<'_>`
| ^^^^^^^^^^^^^^ help: try importing it and using it unqualified: `TyCtxt<'_>`
error: aborting due to 2 previous errors